142232219 has 2 divisors, whose sum is σ = 142232220. Its totient is φ = 142232218.

The previous prime is 142232191. The next prime is 142232221. The reversal of 142232219 is 912232241.

142232219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142232219 - 2²⁴ = 125455003 is a prime.

It is a super-2 number, since 2×142232219² = 40460008243327922, which contains 22 as substring.

Together with 142232221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142232719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71116109 + 71116110.

It is an arithmetic number, because the mean of its divisors is an integer number (71116110).

Almost surely, 2^142232219 is an apocalyptic number.

142232219 is a deficient number, since it is larger than the sum of its proper divisors (1).

142232219 is an equidigital number, since it uses as much as digits as its factorization.

142232219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 142232219 is about 11926.1150002840. The cubic root of 142232219 is about 521.9945818886.

The spelling of 142232219 in words is "one hundred forty-two million, two hundred thirty-two thousand, two hundred nineteen".